Ben reunites with a duplicitous foe. Michaela and Zeke's dinner party with Jared and his new girlfriend is halted by a calling that ignites the Stone siblings to save the life of one of their own. Olive's friendship with Levi blossoms but is tested.
When Montego Air Flight 828 landed safely after a turbulent but routine flight, the crew and passengers were relieved. But in the span of those few hours, the world had aged five years - and their friends, families and colleagues, after mourning their loss, had given up hope and moved on. Now, faced with the impossible, they're all given a second chance. But as their new realities become clear, a deeper mystery unfolds and some of the returned passengers soon realize they may be meant for something greater than they ever thought possible.